| Interface Summary | 
| DocumentEvent | The DocumentEventinterface provides a mechanism by which the 
 user can create an Event of a type supported by the implementation. | 
| Event | The Eventinterface is used to provide contextual information 
 about an event to the handler processing the event. | 
| EventListener | The EventListenerinterface is the primary method for 
 handling events. | 
| EventTarget | The EventTargetinterface is implemented by allNodesin  an implementation which supports the DOM Event 
 Model. | 
| MutationEvent | The MutationEventinterface provides specific contextual  
 information associated with Mutation events. |